Improvement in composition roofing



, UN TEnSTArEs PATENT OFFICEL' JOSEPH B. BOWEN, or LEAYENWORTH, K usAs- IMPROVZE'MEN-T IN 00 Specification forming part of Letters Patent N o.

MPOSITION ROOFING.

214,091,- llated April 8, 1879; application filed January 2, 1879.

To all .whom it may concern.- E

7 Be it known that I, JOSEPH B. BOWEN, of the-city and county of Leavenworth, and State of Kansas, have invented a ew and improved Roofing Gompositiom -a ul zl do hereby declare that the following is a full, clear, and

eiact. description of the same.

imparts toughnessbermtensile strength, and

renders the composition solid and durable, withoutliabilityto crackin the coldest weather. The asbestus imparts a-fire-resisting quality, and also increases he toughness of--the coniposition. a

The composition will not melt andrun or drip in the warmest'weather. Thus itrhasfall the physical qualities which adapt it for valuy ltiy inpgusezl reciing eompositio'n, is com;

" ableservice'iuallseasons and climates. It is,

moreover, cheap and easily applied.

hot as a mortar orcement on the roof to be protected, when the adhesive qualityof the coal-tar will cause it to adhere to the'wood surface with the requisite tenacity.

In such casethe felt may be painted with, or else imm'ersed bodily in, the hot OOmRQsition until the required degree of saturation has been attained. Felt so treated is pliable and durable and perfectly water-proof, as well as, to a certain extent, fire-proof.

or buckwheat flour, in place of the bran.

used with pulverized mineral substances, such bined with lime, putty, gypsum, and other ingredients.

What I claim is-e I The roofing composition: consisting of wood pulp, bran, asbestus, and coal-tar, as before specified.

i JOSEPH B. BOWEN. Witnesses:

Seo'r'r ASHTON, .8. H. HoYT'.

- The mode of application is to spread itwhile llies campositien may be applied 40 felt to f be used for" roofing or sheathing purposes.

I may use middlings or shorts, or rye, whe'at,

I am aware asbestus and coal-tar have been as slate; also that paper-pulp has been com- 

